1. Color Preferences.--Each of the eighteen colors supplied in the book envelope is to be compared with every other for the purpose of securing systematic expressions of preference.*
In each note-book cross-rule a page into nineteen spaces in the horizontal direction and nineteen in the vertical. Insert vertical and horizontal headings as in the table below, which gives numerical order to the six colors and their respective tints and shades.
Lay a white paper in such a position on a board or book that it shall be at right angles to O's line of vision, in good light and comfortable position for him. Present two colors at a time, placing them systematically about an inch apart on the white paper, and require O to decide which of the two is more pleasing or less displeasing. The decision should be immediate and intuitive, and free from associations.† The table shows____________________